package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;

@Configuration
@Slf4j
public class MyMQConfig {

//    @RabbitListener(queues = "order.release.order.queue")
//    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {
//        log.info("收到过期的订单信息：准备关闭订单{}",entity.getOrderSn());
//        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
//    }


    //@Bean Binding,Queue,Exchange

    /**
     * 容器中的Binding、Queue、Exchange 都会自动创建（RabbitMQ没有的情况）
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        HashMap<String, Object> map = new HashMap<>();
        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        map.put("x-dead-letter-exchange","order-event-exchange");
        map.put("x-dead-letter-routing-key","order.release.order");
        map.put("x-message-ttl",60000);
        Queue queue = new Queue("order.delay.queue", true, false, false, map);
        return queue;
    }


    @Bean
    public Queue orderReleaseOrderQueue(){
        return new Queue("order.release.order.queue",true,false,false);
    }

    @Bean
    public Exchange orderEventExchange(){
        return new TopicExchange("order-event-exchange",true,false);
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        //表示的意思：消息发送到名order-event-exchange的交换机，然后通过路由键order.create.order，将消息发送到order.delay.queue这个队列
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding(){

        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }


    /**
     * 订单释放直接和库存释放进行绑定
     */
    @Bean
    public Binding orderReleaseOtherBinding(){
        //订单消息通过order-event-exchange交换机，在order.release.other.#路由键下，到达stock.release.stock.queue，通知库存系统，进行解锁
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }


    @Bean
    public Queue orderSeckillOrderQueue(){
        return new Queue("order.seckill.order.queue",true,false,false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }




}
